Home / 81,724.76-122,526.28-34,353.73

Finding the Fourth Proportional to 81,724.76, 122,526.28 and 34,353.73

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Solution

The fourth proportional to 81,724.76, 122,526.28 and 34,353.73 is: 51,505.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,724.76 : 122,526.28 = 34,353.73 : x
  2. Step 2: Convert to fraction form
    81,724.76/122,526.28 = 34,353.73/x
  3. Step 3: Cross multiply
    81,724.76x = 122,526.28 × 34,353.73
  4. Step 4: Simplify right side
    81,724.76x = 4,209,234,741.02
  5. Step 5: Solve for x
    x = 4,209,234,741.02/81,724.76
  6. Step 6: Final answer
    x = 51,505.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.